April Weather in Rio, Greece

Last updated: August 23, 2025

In Rio, Greece, the average temperature in April hovers around 14°C (57°F), with a minimum of 4°C (40°F) and a maximum reaching up to 28°C (83°F). This month also sees about 55 mm (2.2 in) of precipitation over 8 days, coupled with an average humidity of 70%.

April Temperature in Rio

In April in Rio, the average temperature is 14°C (57°F). Maximums can reach 28°C (83°F), while minimums can dip as low as 4°C (40°F). This diverse temperature range makes Rio an ideal destination for travelers looking to experience both mild and warm weather during their visit.

April Weather in Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio, April typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Rio generated using information from the Copernicus Climate Change Service.

April Precipitation in Rio

In Rio in April, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.

April Precipitation Trends in Rio

The chart displays monthly precipitation patterns in Rio, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Rio, April typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Rio

In Rio in April, humidity is 70%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making travel slightly uncomfortable as the air feels heavier and every step seems more laborious.

April Average Humidity in Rio

This chart illustrates the average monthly humidity levels in Rio, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Rio is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rio

In Rio in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rio.

Maximum UV Index Levels in Rio for April

The chart shows the monthly maximum UV Index (UVI) for Rio in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Rio typically reaches 8, which falls under the very high exposure category.

Data source: Rio April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Rio Compares to Other Months

Weather in Rio varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rio, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Rio, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	147 mm (5.8 inches)	84%	moderate
February Weather	9°C (49°F)	103 mm (4.1 inches)	78%	moderate
March Weather	10°C (51°F)	97 mm (3.8 inches)	75%	high
April Weather	14°C (57°F)	55 mm (2.2 inches)	70%	very high
May Weather	18°C (65°F)	37 mm (1.5 inches)	72%	very high
June Weather	22°C (72°F)	40 mm (1.6 inches)	60%	extreme
July Weather	26°C (79°F)	23 mm (0.9 inches)	56%	very high
August Weather	27°C (80°F)	17 mm (0.7 inches)	47%	very high
September Weather	23°C (73°F)	49 mm (1.9 inches)	56%	very high
October Weather	18°C (64°F)	76 mm (3.0 inches)	70%	high
November Weather	14°C (58°F)	127 mm (5.0 inches)	80%	moderate
December Weather	10°C (50°F)	178 mm (7.0 inches)	83%	moderate